Photographer s retouch ing-machine



(No Model.)

L. 0. GIRVIN 8: J. LOFF.

PHOTOGRAPHERS RETOUGHING MACHINE.

Patented June 4, 1889.

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UNITED STATES PATE T OFFICE.

LAURA O. GIRVIN AND JOHN LOFF, OF CHICAGO, ILLINOIS.

PHOTOGRAPHERS RETOUCHING-MACHINE.

SPECIFICATION forming part of Letters Patent No. 404,534, dated June 4,1889.

Application filed April 18, 1887. Renewed October 29, 1888. Serial No.289,843. (No model.)

To all when it may concern: V

Be itknown that we, LAURA O. GlRVIN and JOHN LOFF, of Chicago, in thecounty of Cook and State of Illinois, have invented certain new anduseful Improvements in Photographers Touchin g-U p Apparatus, of whichthe following is a full, clear, and exact description, ref erence beinghad to the drawings, and to the letters of reference marked thereon.

Heretofore the touching-up of photographers negatives has beenaccomplished with the aid of a stationary frame, in which the negativehas been placed, and tattooed with a suitable pencil by hand toobliterate the defective spots or flaws on the negative. This tattooingoperation is a tedious and difficult one, and can only be acquired bylong experience, because of the delicacy and accuracy of touch theoperator must possess.

It is the objectof our invention to dispense with the tattooingoperation so far as the motion of the operators hand is concerned, andthis we accomplish by means of a vibratory negative-holdin g frame,substantially as hereinafter described, and as illustrated in thedrawings, in which- Figure 1 is a side elevation of our invention. Fig.2 is a partial vertical transverse section of the same. Fig. 3 is a rearelevation, and Fig. 4 is a detail view.

Reference being had to the drawings, A represents a table-frame, similarsomewhat to the stand of a sewing-machine, which has j ournaled insuitable bearings in its legs or supports a drive-wheel B, which can bedriven by a treadle or suitable motor. The drivewheel is provided with acircumferential groove in its periphery, in which the belt that drivesthe rest of the apparatus runs.

Pivoted or hinged to the front edge of the table, or near the same, is arectangular open frame 0, which is maintained at a suitable angle by abrace a, pivoted to the top horizontal part of frame C, and the lowerend of which is slotted longitudinally and passes through a suitableopening in the table. In this opening is a transverse pin which passesthrough the longitudinal slot in the brace a. By turning a thumb-nut onthis pin the brace is pinched between said nut and the sides of theopening in said table, thus holding the frame 0 at the angle desired.

frame 0 is the negati\*e-plate holder 0, which consists of twothicknesses of board or other j suitable material, the frontone-of whichis removably secured to the rear one. 0 is provided with an opening 0',which corresponds in position and dimensions in both thicknesses ofboard. The negative-plate is placed between said boards in holder 0, sothat the picture or negative impression comes-within the limits ofopening 0. The boards are then brought tightly together by suitablescrews or other devices.

The plate-holder c is pivoted at or near its upper end betweenadjustable pivotal screws D, which pass through the projecting lugs ofplates (Z, secured to the rear surface at or ne the upper ends of thevertical parts of frame C. The ends of screws D are pointed and entercorrespondingly-shaped recesses in the up per side edges of the rearboard of plateholder 0. Secured to the lower rear surface, near thecorners of the plate-holder c, are plates having lugs E projecting fromthem, which latter are provided with verticallyelongated bearings c.

F represents a transverse shaft j ournaled in bearings g secured to theback surface of frame C in transverse alignment with lugs E. This shaftF passes through bearings c-of lugs E, but the portions of said shaftwithin said bearings are offset, making eccentrics G, which, as saidshaft revolves, oscillate holder 0 back and forth to the extent of theeccentricity of eccentrics G.

One en d of shaft F passes through bearings g and beyond the side edgesof frame C, and is provided with a suitable pulley f, which is connectedby a belt (as before stated) with drive-wheel 13. With every revolutionof drive-wheel B the pulley f should revolve from about thirty to fortytimes. Then if the drivewheel is run at a very moderate speed amuchfaster tattoo is accomplished, and atouch under better control isobtained than possibly could be by hand.

In order to obtain a hand-rest for the operator which will be beyond thelimits of the oscillations of plate-holder c, we make a frame ll,corresponding in lateral dimensions to frame (1, although not so thick,and hinge it to the upper horizontal edge of said frame C.

The holder Under the lower part of said hand-rest, as shown, we placebow-shaped springs h, which form a cushion to neutralize the vibrationsimparted to the rest of the apparatus by the oscillating plate-holder.may, if desired, be dispensed with.

We do not wish to be confined to shaft F said spindle and plate-holderc, said rod be- 1 ing given a reciprocating motion by a crank or aneccentric on said spindle, substantially as indicated in dotted lines inFig. 1.

What we claim as new is- 1. In a photographers retouching-machine, thecombination, with a rectangular frame, of

an independentoscillating vibratorynegativeplate holder and means foractuating the same, as and for the purpose set forth.

2. In aphotographers retouching-machine,

the combination, with a rectangular frame and plate-holder, oftransverse shaft suitably jour- This hand rest H naled in saidrectangular frame having eccentrics G, lug E, secured to the back of theplate holder and having elongated bearings through which the eccentricsG pass, and means for operating said shaft, as set forth.

3. In a photographers retouching-machine, the combination, with therectangular frame 0, independent vibratory negative-plate holder, andmeans for actuating the same, of a stationary hand-rest corresponding intransverse construct-ion to and hinged to said rectangular frame, as andfor the purpose set forth.

. 4. In a photographers retouching-machine, the combination, with therectangular frame C, vibratory negative-plate holder 0, and adjustablepivotal screws D, of the transverse shaft F, journaled in bearingssecured to forth. 7

LAURA O. GIRYIN. JOHN LOFF.

In presence of FRANK D. THOMASON, ROBERT J. (30mm.

